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PBS 3.1.3 Modes of Transmission
Terms in this set (14)
direct contact transmission
requires close association between infected and susceptible host
indirect contact transmission
refers to situations in which a susceptible person is infected by contact with a contaminated surface
genetic / exists in a person without prior contact with an antigen
Immunity that is present only after exposure and is highly specific.
a toxin or other foreign substance that induces an immune response in the body, especially the production of antibodies.
A protein produced by B cells in the blood; works to impair pathogens. Also called an immunoglobulin.
A type of white blood cell (lymphocyte) produced by the thymus and involved in the immune response.
A type of lymphocyte (white blood cell) that matures in bone marrow and produces antibodies.
the ability of an organism to resist a particular infection or toxin by the action of specific antibodies or sensitized white blood cells.
A substance used to stimulate an immune response with the goal of creating antibodies and providing immunity to specific infections.
artificially acquired immunity that occurs when the majority of a population, but not all, has been given a vaccine and becomes resistant to infection.
A specialist in virology, the branch of science that deals with viruses
non-specific defense mechanisms
skin, mucosal surfaces, tears, saliva, gastric juices
Specific defense mechanisms
Immune response, antibodies, t-cells
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